<?php
class Comment extends Model{
    public function ls($aid){
        if(empty($aid)){
            return false;
        }else{
            $model_member = new MemberModel;
            $member_table = $model_member->table;
            $data = $this->alias('c')->left([$member_table,'m'],'m.id = c.mid')
                  ->where(['c.aid' => $aid])->limit(10)->select();
            var_dump($dat);
        }
    }
}
